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Question 1:
5.67 × 10 7   +   7.34 × 10 7   =   ?
	13.0 × 10 8		13.01 × 10 14
	1.301 × 10 8		1.301 × 10 7

Question 2:
8.548 × 10 15   −   2.224 × 10 15   =   ?
	6.324 × 10 15		5.324 × 10 15
	6,324 × 10 14		6.024 × 10 0

Question 3:
(4 × 10 4)    ×    (2 × 10 3)   =  ?
	8 × 10 7		6 × 10 7
	8 × 10 12		8 × 10 1

Question 4:
(6 × 10 5)   ÷   (2 × 10 2)   =  ?
	8 × 10 5		3 × 10 10
	3 × 10 2.5		3 × 10 3

Question 5:
2.55 × 10 7  +  50,000,000   =   ?
	7.55 × 10 7		3.05 × 10 7
	2.555 × 10 7		2.60 × 10 7

Question 6:
2.55 × 10 7   −  10,000,000   =  ?
	2.551 × 10 7		1.55 × 10 7
	2.54 × 10 7		2.45 × 10 7

Question 7:
(4 × 10 4)   ×   1,000   =   ?
	4 × 10 7		400 × 10 7
	4 × 10 8		4 × 10 6

Question 8:
(8.4 × 10 8)   ÷   10,000   =   ?
	8.0 × 10 8		4.4 × 10 8
	8.4 × 10 4		8.4 × 10 2

Question 9:
Weight of the Earth is 5.9736 × 10 24 Kg. Mass of the Venus is 4.8685 × 10 24 Kg. What is the combined weight of the Earth and Venus?
	10.8421 × 10 26 Kg		10.8421 × 10 23 Kg
	1.08421 × 10 25 Kg		10.8421 × 10 25 Kg

Question 10:
Planet Venus is 1.08 × 10 8 Km away from the Sun and Planet Mercury is 5.79 × 10 7 Km from the Sun. How much farther away is the planet Venus from the Sun as compared to the planet Mercury?
	6.21 × 10 7 Km		5.01 × 10 8 Km
	5.10 × 10 7 Km		5.01 × 10 7 Km